selinux-policy/refpolicy/policy/modules/system/init.if

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## <module name="init" layer="system">
## <summary>System initialization programs (init and init scripts).</summary>
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########################################
#
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# init_domain(domain,entrypointfile)
#
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define(`init_domain',`
requires_block_template(`$0'_depend)
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domain_type($1)
domain_entry_file($1,$2)
role system_r types $1;
allow init_t $1:process transition;
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allow init_t $2:file rx_file_perms;
dontaudit init_t $1:process { noatsecure siginh rlimitinh };
type_transition init_t $2:process $1;
allow $1 init_t:fd use;
allow init_t $1:fd use;
allow $1 init_t:fifo_file rw_file_perms;
allow $1 init_t:process sigchld;
# Red Hat systems seem to have a stray
# fd open from the initrd
optional_policy(`distro_redhat',`
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kernel_dontaudit_use_fd($1)
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files_dontaudit_read_root_file($1)
')
')
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define(`init_domain_depend',`
type init_t;
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class file rx_file_perms;
class fd use;
class fifo_file rw_file_perms;
class process { transition noatsecure siginh rlimitinh sigchld };
role system_r;
')
########################################
#
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# init_daemon_domain(domain,entrypointfile)
#
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define(`init_daemon_domain',`
requires_block_template(`$0'_depend)
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domain_type($1)
domain_entry_file($1,$2)
role system_r types $1;
allow initrc_t $1:process transition;
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allow initrc_t $2:file rx_file_perms;
dontaudit initrc_t $1:process { noatsecure siginh rlimitinh };
type_transition initrc_t $2:process $1;
allow initrc_t $1:fd use;
allow $1 initrc_t:fd use;
allow $1 initrc_t:fifo_file rw_file_perms;
allow $1 initrc_t:process sigchld;
# Red Hat systems seem to have a stray
# fd open from the initrd
optional_policy(`distro_redhat',`
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kernel_dontaudit_use_fd($1)
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files_dontaudit_read_root_file($1)
')
')
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define(`init_daemon_domain_depend',`
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type initrc_t;
role system_r;
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class file rx_file_perms;
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class fifo_file rw_file_perms;
class fd use;
class process { transition noatsecure siginh rlimitinh sigchld };
')
########################################
#
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# init_system_domain(domain,entrypointfile)
#
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define(`init_system_domain',`
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requires_block_template(`$0'_depend)
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domain_type($1)
domain_entry_file($1,$2)
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role system_r types $1;
allow initrc_t $1:process transition;
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allow initrc_t $2:file rx_file_perms;
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dontaudit initrc_t $1:process { noatsecure siginh rlimitinh };
type_transition initrc_t $2:process $1;
allow initrc_t $1:fd use;
allow $1 initrc_t:fd use;
allow $1 initrc_t:fifo_file rw_file_perms;
allow $1 initrc_t:process sigchld;
# Red Hat systems seem to have a stray
# fd open from the initrd
optional_policy(`distro_redhat',`
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kernel_dontaudit_use_fd($1)
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files_dontaudit_read_root_file($1)
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')
')
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define(`init_system_domain_depend',`
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type initrc_t;
role system_r;
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class file rx_file_perms;
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class fd use;
class fifo_file rw_file_perms;
class process { transition noatsecure siginh rlimitinh sigchld };
')
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########################################
#
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# init_domtrans(domain)
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#
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define(`init_domtrans',`
requires_block_template(`$0'_depend)
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allow $1 init_exec_t:file rx_file_perms;
allow $1 init_t:process transition;
type_transition $1 init_exec_t:process init_t;
dontaudit $1 init_t:process { noatsecure siginh rlimitinh };
allow $1 init_t:fd use;
allow init_t $1:fd use;
allow init_t $1:fifo_file rw_file_perms;
allow init_t $1:process sigchld;
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')
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define(`init_domtrans_depend',`
type init_t, init_exec_t;
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class file rx_file_perms;
class process { transition noatsecure siginh rlimitinh sigchld };
class fd use;
class fifo_file rw_file_perms;
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')
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########################################
#
# init_get_process_group(domain)
#
define(`init_get_process_group',`
requires_block_template(`$0'_depend)
allow $1 init_t:process getpgid;
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')
define(`init_get_process_group_depend',`
type init_t;
class process getpgid;
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')
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########################################
#
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# init_getattr_initctl(domain)
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#
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define(`init_getattr_initctl',`
requires_block_template(`$0'_depend)
allow $1 initctl_t:fifo_file getattr;
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')
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define(`init_getattr_initctl_depend',`
type initctl_t;
class fifo_file getattr;
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')
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########################################
#
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# init_dontaudit_getattr_initctl(domain)
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#
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define(`init_dontaudit_getattr_initctl',`
requires_block_template(`$0'_depend)
dontaudit $1 initctl_t:fifo_file getattr;
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')
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define(`init_getattr_initctl_depend',`
type initctl_t;
class fifo_file getattr;
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')
########################################
#
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# init_use_initctl(domain)
#
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define(`init_use_initctl',`
requires_block_template(`$0'_depend)
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dev_list_all_dev_nodes($1)
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allow $1 initctl_t:fifo_file rw_file_perms;
')
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define(`init_use_initctl_depend',`
type initctl_t;
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class fifo_file rw_file_perms;
')
########################################
#
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# init_dontaudit_use_initctl(domain)
#
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define(`init_dontaudit_use_initctl',`
requires_block_template(`$0'_depend)
dontaudit $1 initctl_t:fifo_file { read write };
')
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define(`init_dontaudit_use_initctl_depend',`
type initctl_t;
class fifo_file { read write };
')
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########################################
#
# init_sigchld(domain)
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#
define(`init_sigchld',`
requires_block_template(`$0'_depend)
allow $1 init_t:process sigchld;
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')
define(`init_sigchld_depend',`
type init_t;
class process sigchld;
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')
########################################
#
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# init_use_fd(domain)
#
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define(`init_use_fd',`
requires_block_template(`$0'_depend)
allow $1 init_t:fd use;
')
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define(`init_use_fd_depend',`
type init_t;
class fd use;
')
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########################################
#
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# init_dontaudit_use_fd(domain)
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#
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define(`init_dontaudit_use_fd',`
requires_block_template(`$0'_depend)
dontaudit $1 init_t:fd use;
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')
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define(`init_dontaudit_use_fd_depend',`
type init_t;
class fd use;
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')
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########################################
#
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# init_domtrans_script(domain)
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#
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define(`init_domtrans_script',`
requires_block_template(`$0'_depend)
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allow $1 initrc_exec_t:file rx_file_perms;
allow $1 initrc_t:process transition;
type_transition $1 initrc_exec_t:process init_t;
dontaudit $1 init_t:process { noatsecure siginh rlimitinh };
allow $1 initrc_t:fd use;
allow initrc_t $1:fd use;
allow initrc_t $1:fifo_file rw_file_perms;
allow initrc_t $1:process sigchld;
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')
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define(`init_domtrans_script_depend',`
type initrc_t, initrc_exec_t;
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class file rx_file_perms;
class process { transition noatsecure siginh rlimitinh sigchld };
class fd use;
class fifo_file rw_file_perms;
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')
########################################
#
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# init_exec_script(domain)
#
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define(`init_exec_script',`
requires_block_template(`$0'_depend)
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can_exec($1,initrc_exec_t)
')
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define(`init_exec_script_depend',`
type initrc_exec_t;
class file { getattr read execute execute_no_trans };
')
########################################
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## <interface name="init_read_script_process_state">
## <description>
## Read the process state (/proc/pid) of the init scripts.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## </interface>
#
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define(`init_read_script_process_state',`
requires_block_template(`$0'_depend)
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allow $1 initrc_t:dir r_dir_perms;
allow $1 initrc_t:{ file lnk_file } r_file_perms;
allow $1 initrc_t:process getattr;
# We need to suppress this denial because procps tries to access
# /proc/pid/environ and this now triggers a ptrace check in recent kernels
# (2.4 and 2.6). Might want to change procps to not do this, or only if
# running in a privileged domain.
dontaudit $1 initrc_t:process ptrace;
')
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define(`init_read_script_process_state_depend',`
type initrc_t;
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class dir r_dir_perms;
class file r_file_perms;
class lnk_file r_file_perms;
class process { getattr ptrace };
')
########################################
#
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# init_use_script_fd(domain)
#
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define(`init_use_script_fd',`
requires_block_template(`$0'_depend)
allow $1 initrc_t:fd use;
')
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define(`init_use_script_fd_depend',`
type initrc_t;
class fd use;
')
########################################
#
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# init_dontaudit_use_script_fd(domain)
#
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define(`init_dontaudit_use_script_fd',`
requires_block_template(`$0'_depend)
dontaudit $1 initrc_t:fd use;
')
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define(`init_dontaudit_use_script_fd_depend',`
type initrc_t;
class fd use;
')
########################################
#
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# init_get_script_process_group(domain)
#
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define(`init_get_script_process_group',`
requires_block_template(`$0'_depend)
allow $1 initrc_t:process getpgid;
')
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define(`init_get_script_process_group_depend',`
type initrc_t;
class process getpgid;
')
########################################
#
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# init_use_script_pty(domain)
#
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define(`init_use_script_pty',`
requires_block_template(`$0'_depend)
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term_list_ptys($1)
allow $1 initrc_devpts_t:chr_file { getattr read write ioctl };
')
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define(`init_use_script_pty_depend',`
type initrc_devpts_t;
class chr_file { getattr read write ioctl };
')
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########################################
#
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# init_dontaudit_use_script_pty(domain)
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#
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define(`init_dontaudit_use_script_pty',`
requires_block_template(`$0'_depend)
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dontaudit $1 initrc_devpts_t:chr_file { read write ioctl };
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')
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define(`init_dontaudit_use_script_pty_depend',`
type initrc_devpts_t;
class chr_file { read write ioctl };
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')
########################################
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## <interface name="init_rw_script_tmp_files">
## <description>
## Read and write init script temporary data.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## </interface>
#
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define(`init_rw_script_tmp_files',`
requires_block_template(`$0'_depend)
# FIXME: read tmp_t
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allow $1 initrc_tmp_t:file rw_file_perms;
')
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define(`init_rw_script_tmp_files_depend',`
type initrc_var_run_t;
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class file rw_file_perms;
')
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########################################
#
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# init_read_script_pid(domain)
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#
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define(`init_read_script_pid',`
requires_block_template(`$0'_depend)
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files_list_pids($1)
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allow $1 initrc_var_run_t:file r_file_perms;
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')
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define(`init_read_script_pid_depend',`
type initrc_var_run_t;
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class file r_file_perms;
')
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########################################
#
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# init_dontaudit_write_script_pid(domain)
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#
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define(`init_dontaudit_write_script_pid',`
requires_block_template(`$0'_depend)
dontaudit $1 initrc_var_run_t:file { write lock };
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')
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define(`init_dontaudit_write_script_pid_depend',`
type initrc_var_run_t;
class file { write lock };
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')
########################################
#
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# init_rw_script_pid(domain)
#
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define(`init_rw_script_pid',`
requires_block_template(`$0'_depend)
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files_list_pids($1)
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allow $1 initrc_var_run_t:file rw_file_perms;
')
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define(`init_rw_script_pid_depend',`
type initrc_var_run_t;
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class file rw_file_perms;
')
########################################
#
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# init_dontaudit_rw_script_pid(domain)
#
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define(`init_dontaudit_rw_script_pid',`
requires_block_template(`$0'_depend)
dontaudit $1 initrc_var_run_t:file { getattr read write append };
')
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define(`init_dontaudit_rw_script_pid_depend',`
type initrc_var_run_t;
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class file rw_file_perms;
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')
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## </module>